<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>

<body>

    <style>
        * {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        #shop-car li {
            border: 1px dotted red;
            margin: 20px 0;
            padding: 20px;
        }

        .container {
            width: 400px;
            padding: 20px;
        }
    </style>

    <div class="container">
        <input type="checkbox" id="isAllCheck" /> 全选


        <ul id="shop-car">
            <li>
                <input type="checkbox" />
                <div>商品名称:</div>
                <img src="https://img12.360buyimg.com/n0/s80x80_jfs/t1/118064/27/12885/59959/5f17b7efE453f688d/5b33ac76b2aaea9b.jpg" alt="">
                <div>商品价格:50</div>
                <div>购买数量:30</div>
                <div>商品规格: 黑</div>
                <div>是否选中：选中吧OR不选中</div>
            </li>
        </ul>
        <p id="totalnum">总数量：xxx</p>
        <p id="totalprice">总价格：xxx</p>
    </div>

    
    <script>

let products = [
        {
            goods_name: '小米10-1',
            goods_img: 'https://img12.360buyimg.com/n0/s80x80_jfs/t1/118064/27/12885/59959/5f17b7efE453f688d/5b33ac76b2aaea9b.jpg',
            goods_price: '500',
            goods_attr: '砂石黑4GB+64GB',
            goods_num: 10,
            goods_is_checked: true
        },
        {
            goods_name: '小米10-2',
            goods_img: 'https://img12.360buyimg.com/n0/s80x80_jfs/t1/118064/27/12885/59959/5f17b7efE453f688d/5b33ac76b2aaea9b.jpg',
            goods_price: '510',
            goods_attr: '砂石黑4GB+64GB',
            goods_num: 50,
            goods_is_checked: false
        }
]

     let goodsStr = '';  
     let totalnums = 0;  //商品总个数
     for(let obj of products){
        goodsStr += ` <li>
                <input type="checkbox" ${obj.goods_is_checked?'checked':''} />
                <div>商品名称:${obj.goods_name}</div>
                <img src="${obj.goods_img}" alt="">
                <div>商品价格:${obj.goods_price}</div>
                <div>购买数量:${obj.goods_num}</div>
                <div>商品规格: ${obj.goods_attr}</div>
                <div>是否选中：${obj.goods_is_checked?'选中吧':'不选中'} </div>
            </li>`;
            totalnums += obj.goods_num
     }

     let curUl =document.getElementById('shop-car');
     let totalnumObj =document.getElementById('totalnum');
     curUl.innerHTML = goodsStr;
     totalnumObj.innerHTML = '总数量：'+totalnums;

    </script>
</body>

</html>